Pen



FIG. 1 is a front right perspective view of a pen showing my new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left side elevation view thereof, with the right side elevation view being a mirror image of the left side elevation view.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof.

FIG. 7 is an enlarged top plan view thereof; and,

FIG. 8 is an enlarged bottom plan view thereof.

The broken lines in the figures are for the purpose of illustrating portions of the pen that form no part of the claimed design. 

CLAIM The ornamental design for a pen, as shown and described. 